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diff --git a/files/zh-cn/web/api/element/previouselementsibling/index.html b/files/zh-cn/web/api/element/previouselementsibling/index.html new file mode 100644 index 0000000000..8c78a68adf --- /dev/null +++ b/files/zh-cn/web/api/element/previouselementsibling/index.html @@ -0,0 +1,118 @@ +--- +title: NonDocumentTypeChildNode.previousElementSibling +slug: Web/API/NonDocumentTypeChildNode/previousElementSibling +translation_of: Web/API/NonDocumentTypeChildNode/previousElementSibling +--- +<p>{{ ApiRef() }}</p> + +<h3 id="Summary" name="Summary">概述</h3> + +<p><strong>previousElementSibling</strong> 返回当前元素在其父元素的子元素节点中的前一个元素节点,如果该元素已经是第一个元素节点,则返回<code>null,</code>该属性是只读的.</p> + +<h3 id="Syntax_and_values" name="Syntax_and_values">语法</h3> + +<pre class="eval">var <em>prevNode</em> = elementNodeReference.previousElementSibling; +</pre> + +<h3 id="Example" name="Example">例子</h3> + +<pre class="brush: html"><div id="div-01">Here is div-01</div> +<div id="div-02">Here is div-02</div> +<li>This is a list item</li> +<li>This is another list item</li> +<div id="div-03">Here is div-03</div> + +<script type="text/javascript"> + var el = document.getElementById('div-03').previousElementSibling; + document.write('<p>Siblings of div-03</p><ol>'); + while (el) { + document.write('<li>' + el.nodeName + '</li>'); + el = el.previousElementSibling; + } + document.write('</ol>'); +</script> +</pre> + +<p>上面的例子会输出以下内容:</p> + +<pre>Siblings of div-03 + + 1. LI + 2. LI + 3. DIV + 4. DIV +</pre> + +<h3 id="Specification" name="Specification">浏览器兼容性</h3> + +<p>{{ CompatibilityTable() }}</p> + +<div id="compat-desktop"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Chrome</th> + <th>Firefox (Gecko)</th> + <th>Internet Explorer</th> + <th>Opera</th> + <th>Safari</th> + </tr> + <tr> + <td>Basic support</td> + <td>4</td> + <td>{{ CompatGeckoDesktop("1.9.1") }}</td> + <td>9</td> + <td>9.8</td> + <td>4</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table" style="font-family: 'Open Sans Light', Helvetica, Arial, sans-serif; font-size: 16px; line-height: 16px;"> + <tbody> + <tr> + <th style="line-height: 16px;">Feature</th> + <th style="line-height: 16px;">Android</th> + <th style="line-height: 16px;">Firefox Mobile (Gecko)</th> + <th style="line-height: 16px;">IE Mobile</th> + <th style="line-height: 16px;">Opera Mobile</th> + <th style="line-height: 16px;">Safari Mobile</th> + </tr> + <tr> + <td>Basic support (on {{domxref("Element")}})</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatGeckoMobile("1.9.1")}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>9.8</td> + <td>{{CompatVersionUnknown}}</td> + </tr> + <tr> + <td>Support on {{domxref("CharacterData")}}</td> + <td>{{CompatVersionUnknown}}</td> + <td>{{CompatGeckoMobile("25")}}</td> + <td>{{CompatNo}}</td> + <td>16.0</td> + <td>{{CompatNo}}</td> + </tr> + </tbody> +</table> +</div> + +<h3 id="Specification" name="Specification">规范</h3> + +<p><a class="external" href="http://www.w3.org/TR/2008/REC-ElementTraversal-20081222/#attribute-previousElementSibling">Element Traversal Specification: previousElementSibling</a></p> + +<h3 id="相关链接">相关链接</h3> + +<ul> + <li><a class="internal" href="/zh-cn/DOM/Element.childElementCount" title="zh-cn/DOM/Element.childElementCount"><code>childElementCount</code></a></li> + <li><a class="internal" href="/zh-cn/DOM/Element.children" title="zh-cn/DOM/Element.children"><code>children</code></a></li> + <li><a class="internal" href="/zh-cn/DOM/Element.firstElementChild" title="zh-cn/DOM/Element.firstElementChild"><code>firstElementChild</code></a></li> + <li><a class="internal" href="/zh-cn/DOM/Element.lastElementChild" title="zh-cn/DOM/Element.lastElementChild"><code>lastElementChild</code></a></li> + <li><a class="internal" href="/zh-cn/DOM/Element.nextElementSibling" title="zh-cn/DOM/Element.nextElementSibling"><code>nextElementSibling</code></a></li> +</ul> + +<p>{{ languages( {"en": "en/DOM/element.previousElementSibling" } ) }}</p> |